1. The Nature Conservancy Arlington Virginia USA
2. U.S. Fish & Wildlife Service Washington District of Columbia USA
3. South Dakota State University Brookings South Dakota USA
4. Natural Resource Research Institute Duluth Minnesota USA
5. University of Minnesota St. Paul Minnesota USA
6. USDA Forest Service Northern Research Station Grand Rapids Minnesota USA
7. University of Minnesota Duluth Duluth Minnesota USA
8. Large Lakes Observatory Duluth Minnesota USA